979784464216 has 32 divisors (see below), whose sum is σ = 1948033722240. Its totient is φ = 460393942528.

The previous prime is 979784464187. The next prime is 979784464223. The reversal of 979784464216 is 612464487979.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5228680 + ... + 5412823.

It is an arithmetic number, because the mean of its divisors is an integer number (60876053820).

Almost surely, 2^979784464216 is an apocalyptic number.

It is an amenable number.

979784464216 is a deficient number, since it is larger than the sum of its proper divisors (968249258024).

979784464216 is a wasteful number, since it uses less digits than its factorization.

979784464216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10642203 (or 10642199 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 67.

The spelling of 979784464216 in words is "nine hundred seventy-nine billion, seven hundred eighty-four million, four hundred sixty-four thousand, two hundred sixteen".